Molds & Tooling
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ABS gate 50/60 rule
Problem Phenomenon
ABS gate size 50-60% of wall thickness, prevent freezing to ensure feeding, design specification.
Cause Analysis
ABS gate size 50-60% of wall thickness; prevent premature freezing; ensure complete feeding; gate position; flow balance; sink mark prevention and control.; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience
Solution
①Gate 50-60% of wall thickness; ②position optimization; ③flow balance; ④feeding assurance; ⑤sink mark prevention and control.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
The 50/60 rule of ABS gates is a design standard; position and size both emphasized; ensuring feeding prevents sink marks.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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